Cometic Top End Gasket Kit 100MM Bore (C3117-EST)

All Cometic top-end gasket kits are complete with head and base gaskets Designated kits include reed, power valve and exhaust gaskets Cometic graphite head gaskets are manufactured from non-asbestos flexible graphite laminated to a stainless steel core Cometic graphite material is impervious to fuels, coolants and oils High-Performance kits come with a .012 inch thick base gasket to increase your bikes compression ratio Gaskets are manufactured to the same high level quality as Cometics standard gasket sets Fitment 2003-2006 Yamaha WR450F 2003-2005 Yamaha YZ450F